OUR ENVIRONMENT
1. The region of the world of living things is called __________ .
2. The living organisms maintain a balance with its ________________ factors.
3. ___________ is the main source of energy for all living organisms.
4. The position fit for animals in food web is called __________ .
5. _______________ (1927) showed tropical levels in the shape of ecological pyramid.
6. __________ is the main source of energy for an ecosystem.
7. Charles Elton put the __________ at the base and _________ at the tip of pyramid.
8. Energy flow from one organism to another shown in _____________ .
9. Population in food chain in each tropical level shown in ______________.
10. In an aquatic ecosystem the pyramid of biomass is _________.
11. The organic material produced during photosynthesis is called _________.
12. Biomass is also used as __________.
13. Flow of material between organism and environment is called ______________ or Bio geo chemical cycle.
14. Kolleru had been declared as bird sanctuary in ________.
15. The process of entry of pollutants into food chain is known as ______________.
16. The tendency of pollutants to concentrate as they more from one tropical level to the next is known as _______________.
17. Methyl mercury in food causes ____________ disease.
Nice
More than bits in biology
Very nice, easy to practice
its really easy